What to Do When the Car Battery Has No Power at All?

[DeEmily]

There are 4 solutions when the car has no power at all: 1. Use another car: Jump-start the car with another vehicle; 2. Use professional tools: Recharge the battery with a dedicated charger and then start the car; 3. Utilize a downhill slope: Start the vehicle by rolling it downhill; 4. Replace the battery: Replace the battery yourself and then start the car. The functions of the battery include the following 5 points: 1. Play a role in starting the car: When starting the engine, the battery supplies power to the starting system, ignition system, etc.; 2. Power the car's electrical equipment: When the engine is stopped or at low idle, it supplies power to the car's electrical equipment; 3. Provide auxiliary support: When the generator's output is insufficient, it can assist in supplying power to the electrical equipment; 4. Mitigate voltage surges: It mitigates voltage surges in the electrical system to protect the car's electronic devices; 5. Storage function: It can store excess electricity generated by the alternator.